]> git.sesse.net Git - vlc/blobdiff - src/misc/objects.c
Remove the unneeded vlc_object_destroy logger hack, and fix wrapping.
[vlc] / src / misc / objects.c
index 8d1cac203631323a12b5bb01ff06eddf4b55b743..1ff65ec30d951739afca6fc9d3c00a8c78d081b5 100644 (file)
@@ -92,6 +92,8 @@ static void           ListReplace   ( vlc_list_t *, vlc_object_t *, int );
 static int            CountChildren ( vlc_object_t *, int );
 static void           ListChildren  ( vlc_list_t *, vlc_object_t *, int );
 
+static void vlc_object_destroy( vlc_object_t *p_this );
+
 /*****************************************************************************
  * Local structure lock
  *****************************************************************************/
@@ -189,7 +191,7 @@ vlc_object_t *vlc_custom_create( vlc_object_t *p_this, size_t i_size,
         vlc_mutex_unlock( &structure_lock );
     }
 
-    p_priv->i_refcount = 0;
+    p_priv->i_refcount = 1;
     p_new->p_parent = NULL;
     p_new->pp_children = NULL;
     p_new->i_children = 0;
@@ -347,65 +349,50 @@ void * __vlc_object_create( vlc_object_t *p_this, int i_type )
 
 /**
  ****************************************************************************
- * Destroy a vlc object
+ * Destroy a vlc object (Internal)
  *
  * This function destroys an object that has been previously allocated with
  * vlc_object_create. The object's refcount must be zero and it must not be
  * attached to other objects in any way.
  *****************************************************************************/
-void __vlc_object_destroy( vlc_object_t *p_this )
+static void vlc_object_destroy( vlc_object_t *p_this )
 {
     vlc_object_internals_t *p_priv = vlc_internals( p_this );
-    int i_delay = 0;
-
-    /* FIXME: ugly hack - we cannot use the message queue after
-         * msg_Destroy(). */
-    vlc_object_t *logger = p_this;
-    if( p_this->p_libvlc == p_this )
-        logger = NULL;
 
+    /* Sanity checks */
     if( p_this->i_children )
     {
-        msg_Err( logger, "cannot delete object (%i, %s) with children" ,
-                 p_this->i_object_id, p_this->psz_object_name );
-        return;
-    }
-
-    if( p_this->p_parent )
-    {
-        msg_Err( logger, "cannot delete object (%i, %s) with a parent",
-                 p_this->i_object_id, p_this->psz_object_name );
-        return;
-    }
+        int i;
 
-    while( p_priv->i_refcount > 0 )
-    {
-        i_delay++;
+        fprintf( stderr,
+                 "ERROR: cannot delete object (%i, %s) with %d children\n",
+                 p_this->i_object_id, p_this->psz_object_name,
+                 p_this->i_children );
 
-        /* Don't warn immediately ... 100ms seems OK */
-        if( i_delay == 2 )
-        {
-            msg_Warn( logger,
-                  "refcount is %u, delaying before deletion (id=%d,type=%d)",
-                  p_priv->i_refcount, p_this->i_object_id,
-                  p_this->i_object_type );
-        }
-        else if( i_delay == 10 )
+        for( i = 0; i < p_this->i_children; i++ )
         {
-            msg_Err( logger,
-                  "refcount is %u, delaying again (id=%d,type=%d)",
-                  p_priv->i_refcount, p_this->i_object_id,
-                  p_this->i_object_type );
-        }
-        else if( i_delay == 20 )
-        {
-            msg_Err( logger,
-                  "waited too long, cancelling destruction (id=%d,type=%d)",
-                  p_this->i_object_id, p_this->i_object_type );
-            return;
+            fprintf( stderr,
+                     "ERROR: Remaining children object "
+                     "(id:%i, type:%s, name:%s)\n",
+                     p_this->pp_children[i]->i_object_id,
+                     p_this->pp_children[i]->psz_object_type,
+                     p_this->pp_children[i]->psz_object_name );
         }
+        fflush(stderr);
+        abort();
+    }
 
-        msleep( 100000 );
+    if( p_this->p_parent )
+    {
+        fprintf( stderr,
+                 "ERROR: cannot delete object (id:%i, type:%s, name:%s) "
+                 "with a parent (id:%i, type:%s, name:%s)\n",
+                 p_this->i_object_id, p_this->psz_object_type,
+                 p_this->psz_object_name, p_this->p_parent->i_object_id,
+                 p_this->p_parent->psz_object_type,
+                 p_this->p_parent->psz_object_name );
+        fflush(stderr);
+        abort();
     }
 
     /* Destroy the associated variables, starting from the end so that
@@ -423,29 +410,31 @@ void __vlc_object_destroy( vlc_object_t *p_this )
     if( p_this->i_object_type == VLC_OBJECT_GLOBAL )
     {
         libvlc_global_data_t *p_global = (libvlc_global_data_t *)p_this;
+
+        /* Test for leaks */
+        if( p_global->i_objects > 0 )
+        {
+            int i;
+            for( i = 0; i < p_global->i_objects; i++ )
+            {
+                /* We are leaking this object */
+                fprintf( stderr,
+                         "ERROR: leaking object (id:%i, type:%s, name:%s)\n",
+                         p_global->pp_objects[i]->i_object_id,
+                         p_global->pp_objects[i]->psz_object_type,
+                         p_global->pp_objects[i]->psz_object_name );
+                fflush(stderr);
+            }
+            /* Strongly abort, cause we want these to be fixed */
+            abort();
+        }
+
         /* We are the global object ... no need to lock. */
         free( p_global->pp_objects );
         p_global->pp_objects = NULL;
-        p_global->i_objects--;
 
         vlc_mutex_destroy( &structure_lock );
     }
-    else
-    {
-        libvlc_global_data_t *p_libvlc_global = vlc_global();
-        int i_index;
-
-        vlc_mutex_lock( &structure_lock );
-
-        /* Wooohaa! If *this* fails, we're in serious trouble! Anyway it's
-         * useless to try and recover anything if pp_objects gets smashed. */
-        i_index = FindIndex( p_this, p_libvlc_global->pp_objects,
-                             p_libvlc_global->i_objects );
-        REMOVE_ELEM( p_libvlc_global->pp_objects,
-                     p_libvlc_global->i_objects, i_index );
-
-        vlc_mutex_unlock( &structure_lock );
-    }
 
 #if defined(WIN32) || defined(UNDER_CE)
     /* if object has an associated thread, close it now */
@@ -884,20 +873,39 @@ void __vlc_object_yield( vlc_object_t *p_this )
     vlc_mutex_unlock( &structure_lock );
 }
 
-static inline void Release( vlc_object_t *obj )
-{
-    assert( obj->p_internals->i_refcount > 0 );
-    obj->p_internals->i_refcount--;
-}
-
 /*****************************************************************************
  * decrement an object refcount
+ * And destroy the object if its refcount reach zero.
  *****************************************************************************/
 void __vlc_object_release( vlc_object_t *p_this )
 {
+    vlc_bool_t b_should_destroy;
+
     vlc_mutex_lock( &structure_lock );
-    Release( p_this );
+
+    assert( p_this->p_internals->i_refcount > 0 );
+    p_this->p_internals->i_refcount--;
+    b_should_destroy = (p_this->p_internals->i_refcount == 0);
+
+    if( b_should_destroy )
+    {
+        /* Make sure this object can't be obtained via vlc_find_object now that
+         * it is freed */
+        libvlc_global_data_t *p_libvlc_global = vlc_global();
+        int i_index;
+
+        /* Wooohaa! If *this* fails, we're in serious trouble! Anyway it's
+         * useless to try and recover anything if pp_objects gets smashed. */
+        i_index = FindIndex( p_this, p_libvlc_global->pp_objects,
+                             p_libvlc_global->i_objects );
+        REMOVE_ELEM( p_libvlc_global->pp_objects,
+                     p_libvlc_global->i_objects, i_index );
+    }
+
     vlc_mutex_unlock( &structure_lock );
+
+    if( b_should_destroy )
+        vlc_object_destroy( p_this );
 }
 
 /**
@@ -1218,12 +1226,10 @@ void vlc_list_release( vlc_list_t *p_list )
 {
     int i_index;
 
-    vlc_mutex_lock( &structure_lock );
     for( i_index = 0; i_index < p_list->i_count; i_index++ )
     {
-        Release( p_list->p_values[i_index].p_object );
+        vlc_object_release( p_list->p_values[i_index].p_object );
     }
-    vlc_mutex_unlock( &structure_lock );
 
     free( p_list->p_values );
     free( p_list );